NotaGen: An AI Composer Mastering Classical Music via Reinforcement Learning

2025-03-26
NotaGen: An AI Composer Mastering Classical Music via Reinforcement Learning

NotaGen, an AI music generation model, is pre-trained on 1.6 million pieces of music to learn fundamental musical structures. It's then fine-tuned on a curated dataset of 8,948 classical music scores, enhancing its musicality. To further refine both musicality and prompt control, the researchers employed CLaMP-DPO, a reinforcement learning method using Direct Preference Optimization and CLaMP 2 as an evaluator. Experiments showed CLaMP-DPO effectively improved both controllability and musicality across various music generation models, highlighting its broad applicability.

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Microsoft's Cloud PC, Windows 365 Link, Now Available for $350

2025-04-03
Microsoft's Cloud PC, Windows 365 Link, Now Available for $350

Microsoft has launched its business-oriented mini-desktop PC, Windows 365 Link, for $349.99. This device connects directly to Microsoft's Windows 365 cloud service, simplifying IT management and reducing support needs. Similar to a traditional thin client, it operates over the internet, enabling work from anywhere, and boasts a boot time of seconds. Microsoft states that over 100 organizations tested it, refining the software experience before release. Currently available in the US, Canada, Australia, UK, Germany, Japan, and New Zealand, it's exclusively for businesses and requires purchase through a Microsoft account team or authorized reseller.

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Scheduled Reboots: A Preventative Approach

2024-12-13

A university research team faced a challenging sysadmin problem: their servers had been running for too long and needed rebooting, but frequent reboots disrupt user experience. Their default was to avoid reboots, but a recent large-scale reboot due to prolonged uptime forced a change. To prevent similar issues, they've decided on a yearly reboot schedule—at least three times a year, aligning with the university's teaching schedule—balancing preventative maintenance with user experience.

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Crows and Magpies Use Anti-Bird Spikes in Nest Building: A Rebellious Act of Nature

2025-03-14
Crows and Magpies Use Anti-Bird Spikes in Nest Building: A Rebellious Act of Nature

Common anti-bird spikes, designed to deter birds from buildings, are being ingeniously repurposed by crows and magpies as nesting material. A new study reveals these birds collect and integrate the spikes into their nests, even potentially using them as defense against other birds. Researchers found this behavior in several European cities, with one magpie nest containing approximately 1,500 visible spikes. This discovery not only highlights the remarkable adaptability and intelligence of birds but also prompts reflection on the balance between urban development and wildlife.

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WebUSB Bypass: Controlling a Raspberry Pi Pico via a U2F Exploit

2025-03-14
WebUSB Bypass: Controlling a Raspberry Pi Pico via a U2F Exploit

Control a Raspberry Pi Pico from your browser without WebUSB! This article details a method that exploits a vulnerability in the U2F security key protocol. By emulating a U2F security key, data is disguised as a signature, bypassing browser security restrictions to control the Pico's LED. While this leverages a U2F flaw, it's not a security vulnerability in itself, only working on devices intentionally designed with this vulnerability. The article stresses the risks of connecting unknown USB devices.

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Hardware

Beyond REST: Why State Synchronization is the Future of Web Apps

2025-05-15

Building web apps with React, Typescript, and a Rust/Axum REST backend, the author encountered significant challenges with REST's state transfer approach for what are essentially state synchronization problems. Using a simple text input example, the article highlights issues like race conditions from concurrent requests, inaccurate loading indicators, and inconsistencies across multiple app instances. The author argues for a shift towards state synchronization protocols, such as those based on CRDTs, to improve efficiency and eliminate common REST-related bugs.

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Development State Synchronization

Exoscale: Swiss Cloud Computing with Granular API Control

2025-03-10
Exoscale: Swiss Cloud Computing with Granular API Control

Exoscale, a Swiss cloud computing platform with multiple European server locations, offers virtual servers, S3-compatible object storage, managed Kubernetes, managed databases, DNS, and CDN. Its managed database service includes Apache Kafka and Redis alongside MySQL and PostgreSQL. Virtual servers come in various configurations optimized for CPU, memory, or storage, plus dedicated GPU instances for intensive workloads. API keys boast granular permission control, down to individual service groups (e.g., 'Compute') and even bucket-level access for object storage. The company is owned by A1, a major Austrian telecommunications provider.

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Four Approaches to Building Reasoning Models for LLMs

2025-02-06
Four Approaches to Building Reasoning Models for LLMs

This article explores four main approaches to enhancing Large Language Models (LLMs) with reasoning capabilities: inference-time scaling, pure reinforcement learning, supervised fine-tuning plus reinforcement learning, and model distillation. The development of DeepSeek R1 is used as a case study, showcasing how these methods can build powerful reasoning models, and how even budget-constrained researchers can achieve impressive results through distillation. The article also compares DeepSeek R1 to OpenAI's o1 and discusses strategies for building cost-effective reasoning models.

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WADA's Funding Crisis: Who Guards Fair Play?

2025-02-13
WADA's Funding Crisis: Who Guards Fair Play?

The US government's withholding of funds from the World Anti-Doping Agency (WADA) exposes a precarious funding model. WADA's reliance on nations with large elite athlete populations makes it vulnerable to manipulation. The article explores WADA's financial struggles and proposes three reforms: an independent global trust fund, expanding WADA's social science research program, and an athlete levy. These reforms aim to ensure WADA's independence and transparency, safeguarding the fairness and integrity of sport.

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Midnight Commander: A Powerful Dual-Pane File Manager

2025-09-17

GNU Midnight Commander (mc) is a powerful, free, open-source, dual-pane file manager with a text-based interface. It lets you copy, move, delete files and directories, search for files, and even execute commands in a built-in subshell. mc supports various text interface libraries, allowing it to run in various environments, including regular consoles, X Window terminals, and over SSH connections. The easiest way to install mc is through your system's package manager. Comprehensive documentation and context-sensitive help (F1) are available.

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Development

Living with Einstein: The chasm between AI's potential and its application

2025-05-26
Living with Einstein: The chasm between AI's potential and its application

This story follows a person living with Einstein, Hawking, and Tao, initially using their genius for scientific questions. Quickly, their talents are diverted to mundane tasks – emails, cover letters, etc. This allegorical tale highlights the vast gap between the rapid advancement of AI and its actual application. We possess computational power capable of simulating universes, yet we use it for trivial matters. It prompts reflection on AI's purpose: should we elevate our expectations and fully utilize its potential?

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Nvidia CEO Casts Doubt on Imminent Quantum Computing Breakthrough, Sending Stocks Plunging

2025-01-08
Nvidia CEO Casts Doubt on Imminent Quantum Computing Breakthrough, Sending Stocks Plunging

Shares of IonQ and other quantum computing companies plummeted on Wednesday after Nvidia CEO Jensen Huang stated that truly 'useful' quantum computers are likely still two decades away. This announcement dampened recent excitement surrounding the field, following a significant breakthrough by Alphabet last month. Stocks like Quantum Computing Inc., D-Wave, and Rigetti saw drops exceeding 30%, highlighting the market's sensitivity to the timeline of quantum computing's practical applications.

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Tech

California's Math Education Reform Sparks 'Math Wars'

2024-12-19
California's Math Education Reform Sparks 'Math Wars'

The update of California's Mathematics Framework (CMF) ignited a fierce debate, dubbed the "math wars." Reformists advocated replacing traditional algebra with more engaging and inclusive data science courses to boost student interest and close achievement gaps. Traditionalists countered that data science courses lacked rigor and couldn't replace algebra, jeopardizing future STEM careers. The conflict spilled onto social media and into politics, resulting in significant controversy. Ultimately, the University of California reversed the data science substitution policy and formed a workgroup to establish better math standards, following pressure from experts and tech leaders. This "war" exposed weaknesses in US math education and spurred further reforms.

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Revolutionizing EV Charging: It's Time to Ditch the Isolation Transformer

2025-03-05
Revolutionizing EV Charging: It's Time to Ditch the Isolation Transformer

The widespread adoption of electric vehicles is hampered by expensive and complex charging infrastructure. This article argues that current EV charging systems use isolation transformers for safety, but this adds significant cost and bulk. The authors propose a new approach called Direct Power Conversion (DPC), eliminating the isolation transformer through double grounding and ground continuity detection, thus reducing costs, improving efficiency, and enhancing safety. This would drastically lower the cost of charging stations, accelerating the transition to electric vehicles.

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CenterClick NTP200 Series: Offline GPS Time Servers for Precise Synchronization

2024-12-15

CenterClick introduces the NTP200 series of GPS-based NTP servers, offering precise time synchronization without internet connectivity. The series includes models like NTP200, NTP250, NTP220, and NTP270, each with varying RAM and features such as PoE and alarm outputs. These appliances feature built-in GPS antennas, supporting multiple GNSS constellations, and offer various interfaces and protocols including HTTP, HTTPS, SNMP, and SSH. Management and configuration are handled via a web interface, CLI, or USB, with NTP client tracking capabilities. Suitable for a wide range of applications, from ISPs to hobbyists, the series offers optional accessories such as different antenna lengths and power supplies.

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Garmin Data Parser: Harness Your Fitness Data with GarminDb

2025-02-02
Garmin Data Parser:  Harness Your Fitness Data with GarminDb

GarminDb is a powerful suite of Python scripts designed to parse health data from Garmin Connect and store it in a lightweight SQLite database. It automatically downloads and imports daily monitoring data (heart rate, activity, climb/descend, stress, and intensity minutes), sleep, weight, and resting heart rate information. Furthermore, it summarizes data into daily, weekly, monthly, and yearly reports and allows graphing via command line or Jupyter Notebooks. A plugin system allows for easy expansion of data types. In short, GarminDb is a comprehensive and easy-to-use tool for managing your Garmin data, making health data analysis more efficient and convenient.

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Development

Nvidia Unveils Project Digits: A Personal AI Supercomputer

2025-01-07
Nvidia Unveils Project Digits: A Personal AI Supercomputer

At CES 2025, Nvidia launched Project Digits, a compact 'personal AI supercomputer' providing access to its Grace Blackwell hardware platform. Powered by the new GB10 Grace Blackwell Superchip, it boasts up to a petaflop of computing power, capable of running AI models with up to 200 billion parameters. Targeted at AI researchers, data scientists, and students, Project Digits costs $3,000 and will be available from select partners starting in May.

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Hardware Supercomputer

South Korea Plane Crash Kills 179, Prompts Nationwide Mourning and Safety Review

2024-12-30
South Korea Plane Crash Kills 179, Prompts Nationwide Mourning and Safety Review

A Jeju Air Boeing 737-800 carrying 181 passengers crashed at Muan Airport in South Korea, killing 179 people, marking the country's worst aviation disaster in decades. The accident occurred amidst political turmoil following the impeachment of both the president and prime minister, raising concerns about the government's ability to effectively respond to the crisis. South Korea has ordered safety inspections of all 737-800 aircraft and a comprehensive review of Jeju Air's safety standards. Investigators are examining factors such as a possible landing gear malfunction, potential hydraulic failure, and the safety design of the airport's runway barriers. The tragedy has prompted a seven-day national mourning period and highlighted the need for enhanced aviation safety and improved disaster response capabilities.

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Cascading Spy Sheets: Exploiting Modern CSS for Fingerprinting

2025-01-10

Researchers discovered that modern CSS's dynamic features, even with JavaScript disabled, enable fingerprinting in both browsers and emails. Three techniques leveraging container queries, arithmetic functions, and complex selectors achieve high accuracy in inferring application, OS, and hardware configurations. This fingerprinting works even in the restrictive environment of HTML emails. The researchers propose two defenses: browser resource preloading and an email proxy service.

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Tech

eBPF Pitfall: The FRED in Linux Kernel 6.9+

2025-03-01

The Linux kernel 6.9+ introduces CONFIG_X86_FRED on x86_64, adding 16 bytes of padding to the bottom of a task's kernel stack. This breaks eBPF programs directly accessing the kernel stack and pt_regs, returning garbage. The author encountered this issue with their xcapture-next eBPF tool after upgrading to kernel 6.11. Analysis revealed FRED's stack offset as the culprit. A dynamic FRED detection mechanism is presented to adjust stack address calculations, resolving the problem. This article is crucial for eBPF developers, especially those working with raw kernel stack manipulation.

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Development

OpenAI Outage: Unexpected Load from New Telemetry Service Causes Major Disruption

2024-12-16
OpenAI Outage: Unexpected Load from New Telemetry Service Causes Major Disruption

OpenAI experienced a major service disruption on December 11th, stemming from a newly deployed telemetry service. Intended to improve reliability, this service unexpectedly generated massive Kubernetes API server load, saturating the servers and causing the Kubernetes control plane to fail in most large clusters. This led to the breakdown of DNS-based service discovery. The incident highlights the unpredictable interactions within complex systems and the challenges of testing for failure modes that only appear under full load. OpenAI restored service by scaling down clusters, blocking network access to Kubernetes admin APIs, and scaling up API servers.

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Giant Clam Genome Sequencing Reveals Secrets of Algae Symbiosis

2025-02-01
Giant Clam Genome Sequencing Reveals Secrets of Algae Symbiosis

Scientists sequenced the genome of the giant clam, *Tridacna maxima*, revealing how these massive mollusks evolved a symbiotic relationship with algae to fuel their impressive size. The study found that giant clams have evolved genes to specifically recognize and tolerate symbiotic algae, suppressing their immune response to avoid rejection. This immune suppression, however, leaves them vulnerable to viral infections. The research highlights the evolutionary mechanisms behind the giant clam's size and underscores the importance of protecting these keystone species, threatened by climate change and other factors impacting coral reef ecosystems.

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ChatGPT Clone in 3000 Bytes of C

2024-12-12

Developer Nicholas Carlini created a ChatGPT clone using only 3000 bytes of C code, powered by the GPT-2 model. This dependency-free implementation loads GPT-2's weight matrix and BPE file, then performs tokenization, matrix operations, transformer inference, and detokenization. While the output quality is not high, its efficiency is remarkable, producing multiple replies per second on modern hardware. This demonstrates the potential of compact code in implementing complex AI models.

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AI

Storing Times for Human Events: Best Practices and Challenges

2024-12-12
Storing Times for Human Events: Best Practices and Challenges

This blog post discusses best practices for storing event times on event websites. The author argues that directly storing UTC time loses crucial information, such as the user's original intent and location. A better approach is to store the user's intended time and the event location, then derive the UTC time. Examples like user error, international timezone adjustments, and the 2007 Microsoft Exchange DST update illustrate the importance of storing the user's intended time. The author recommends designing a clear and user-friendly interface to help users accurately set event times and locations, emphasizing the importance of maintaining the user's original intent to avoid errors caused by timezone changes.

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arXivLabs: Experimenting with Community Collaboration

2025-03-07
arXivLabs: Experimenting with Community Collaboration

arXivLabs is a framework for collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved share arXiv's values of openness, community, excellence, and user data privacy. arXiv only partners with those adhering to these values. Got an idea to improve the arXiv community? Learn more about arXivLabs.

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Development

Codecov's Mandatory AI Feature Sparks User Concerns

2025-06-17
Codecov's Mandatory AI Feature Sparks User Concerns

A new AI feature in Codecov has sparked user concern due to the lack of a disable option. Users worry about Codecov illicitly training AIs on their code or inserting infringing code without permission. They demand a permanent, clear way to disable AI functionality across all their organizations and a guarantee that AI won't be used for code coverage analysis.

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Development

Vercel Launches ƒun: A Local Serverless Function Runtime

2024-12-15
Vercel Launches ƒun: A Local Serverless Function Runtime

Vercel has released ƒun, a local development runtime for serverless functions, enabling developers to emulate the AWS Lambda environment locally. Supporting various runtimes like Node.js and Python, ƒun allows for quick testing and debugging of serverless functions without cloud deployment. While striving for a close approximation of the real Lambda environment, ƒun has some key differences, notably in process sandboxing and user permissions.

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Windows 10's End of Life? Why Linux Mint Might Be a Better Choice

2025-06-24
Windows 10's End of Life?  Why Linux Mint Might Be a Better Choice

Microsoft's ending support for Windows 10 and aggressively pushing Windows 11 is sparking controversy due to high hardware requirements and forced upgrades. The author argues this is discriminatory and environmentally damaging. They propose Linux Mint as a superior alternative, highlighting its ease of use, low resource consumption, privacy focus, and smoother transition compared to Windows 11. Methods for reducing bloat and data collection in Windows 11 are also offered.

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Tech

Google Search Goes Full AI with Gemini 2.0

2025-03-07
Google Search Goes Full AI with Gemini 2.0

Google is revolutionizing search with Gemini 2.0, its latest AI model. A new "AI Mode" replaces the familiar ten blue links with a comprehensive AI-generated answer incorporating web summaries, Knowledge Graph data, and shopping information. Initially rolling out through Search Labs, this feature will eventually be available to all users, including those not logged in and minors. While aiming for faster answers to question-based searches, the accuracy and usefulness of AI Mode remain areas for improvement.

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Tech
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